The Boston Bs Suede Clog Features A Classic Closed-Toe Silhouette With A Single Adjustable Strap For A Timeless, Seasonal Aesthetic. Tonal Hardware Buckle Closure Original Birkenstock® Suede-Lined Natural Cork Footbed With Arch Support, Deep Heel Cup, And Roomy Toe Box Man-Made Sole Color/Pattern: Thyme Material: Suede Upper Made In Germany Please Note: Size Selections Are European. For Us Conversions, Please Reference Size Chart. Iconic And Sustainable Designs That Are Always On-Trend.